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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_FILEAPI_FILE_SYSTEM_CALLBACK_DISPATCHER_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_CALLBACK_DISPATCHER_H_
#include <string>
#include <vector>
#include "base/files/file_util_proxy.h"
#include "base/platform_file.h"
#include "base/process.h"
#include "webkit/storage/webkit_storage_export.h"
class GURL;
namespace fileapi {
// This class mirrors the callbacks in
// third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h,
// but uses chromium types.
class WEBKIT_STORAGE_EXPORT FileSystemCallbackDispatcher {
public:
virtual ~FileSystemCallbackDispatcher();
// Callback for various operations that don't require return values.
virtual void DidSucceed() = 0;
// Callback to report information for a file.
virtual void DidReadMetadata(
const base::PlatformFileInfo& file_info,
const base::FilePath& platform_path) = 0;
// Callback to report the contents of a directory. If the contents of
// the given directory are reported in one batch, then |entries| will have
// the list of all files/directories in the given directory, |has_more| will
// be false, and this callback will be called only once. If the contents of
// the given directory are reported in multiple chunks, then this callback
// will be called multiple times, |entries| will have only a subset of
// all contents (the subsets reported in any two calls are disjoint), and
// |has_more| will be true, except for the last chunk.
virtual void DidReadDirectory(
const std::vector<base::FileUtilProxy::Entry>& entries,
bool has_more) = 0;
// Callback for opening a file system. Called with a name and root path for
// the FileSystem when the request is accepted. Used by WebFileSystem API.
virtual void DidOpenFileSystem(const std::string& name,
const GURL& root) = 0;
// Called with an error code when a requested operation has failed.
virtual void DidFail(base::PlatformFileError error_code) = 0;
// Callback for FileWriter's write() call.
virtual void DidWrite(int64 bytes, bool complete) = 0;
// Callback for OpenFile. This isn't in WebFileSystemCallbacks, as it's just
// for Pepper.
// The method will be responsible for closing |file|.
virtual void DidOpenFile(
base::PlatformFile file);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_CALLBACK_DISPATCHER_H_
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